TI's under perpetual duress are often not the most well-heeled people in the world.
While surfing the Internet I've come across the following tips regarding ultra cheap means of determining direction of a signal emanating from a directed energy weapon. The cheapest--use of a simple AM radio, as suggested by this video:
https://www.youtube.com/watch?v=V01iOLbL72k
The second method involves usage of an android device like a cell phone or tablet and downloading onto it an application such as Magneto MetalEMF Detector Free, available at
http://slideme.org/application/magneto-metal-emf-detector-free
There are other similar apps available by googling, such as
Ghost EMF Detector at Google Play.
